Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Patelka
1946
Dendroica occidentalis
Oct. 18 El Batel, 5100 feet, Sinaloa.
Observed several times along with
Dendroica townsendi, D. nigrescens,
Vermivora celata, Setophaga picta, Certhia;
Certhias, Passus, and other small
passerines in a large, loose flock.
Oct. 19 One collected from a loose flock of
small passerines.